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sdk/tests/lib_2/wasm/memory_test.dart
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Liam Appelbe cff78bed87 Reland "Switch wasmer FFI boilerplate to new API"
This reverts commit 0c3d3da6ce.

Un-deleting the LICENSE file, to fix the dart->flutter roller.

Change-Id: Iee44c24e7cdb5c03f4ae131d08451fae2e996f49
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/167201
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Liam Appelbe <liama@google.com>
2020-10-13 19:30:58 +00:00

29 lines
925 B
Dart

// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Test that we can create a WasmMemory, edit it, and grow it.
import "package:expect/expect.dart";
import "package:wasm/wasm.dart";
import "dart:typed_data";
void main() {
// Empty wasm module.
var data = Uint8List.fromList(
[0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x06, 0x81, 0x00, 0x00]);
var module = WasmModule(data);
var mem = module.createMemory(100);
Expect.equals(100, mem.lengthInPages);
Expect.equals(100 * WasmMemory.kPageSizeInBytes, mem.lengthInBytes);
mem[123] = 45;
Expect.equals(45, mem[123]);
mem.grow(10);
Expect.equals(110, mem.lengthInPages);
Expect.equals(110 * WasmMemory.kPageSizeInBytes, mem.lengthInBytes);
Expect.equals(45, mem[123]);
}